The Quantum Resistant Ledger (QRL) is a 'fully quantum resistant blockchain network, using PQ-CRYPTO recommended/IETF standardized cryptography'. The QRL utilizes a hash-based eXtended Merkle Tree Signature Scheme (XMSS) instead of ECDSA, which is reportedly vulnerable to quantum attacks and found in many other blockchain projects. The project claims that the security of its platform is complemented by a suite of applications and a development ecosystem which allows users to 'easily build blockchain applications on its provably quantum resistant network'.

Quantum Resistant Ledger

Validity

Bytom

Fusion

Ignis

HyperCash

Solve.Care is a healthcare platform company that uses blockchain to redefine care coordination, improve access to care, reduce benefit administration costs, and help reduce fraud and waste in healthcare around the world.

The Solve.Care platform (Care.Platform) allows for digital health networks, called Care.Networks, to be built and run for patient-centric care that can be based on medical conditions, economic and social needs, creating an entire healthcare ecosystem. Using Care.Platform, clients can launch networked, interoperable healthcare dApps, within a very short time frame.

Care.Networks on Care.Platform use the SOLVE token, a utility token that is used for inter/intra network payments and transaction fees. It also has additional uses including developer rights, staking, marketplace payments, and platform access fees.

SOLVE

BitKan

Peercoin, also known as PPC or Peer-to-Peer Coin, was created by Sunny King and his team and launched in August 2012. It is the first blockchain to implement Proof-of-Stake consensus.

The primary inspiration behind the creation of Peercoin was to address a number of perceived shortcomings of Bitcoin, including energy efficiency, security and sustainability, decentralization and long-term viability.

Essentially it was designed as an enhanced replacement for Bitcoin. As such, it was originally forked from Bitcoin and uses the same UTXO style blockchain. However, Peercoin's code was modified to introduce Proof-of-Stake as its primary consensus protocol. The next section explains how this makes for a better blockchain.

Given that Peercoin uses most of the same code, it can easily port new features from Bitcoin and utilize any of the supporting infrastructure, including tech advancements like Taproot or Lightning Network. Peercoin is the only Proof-of-Stake blockchain that uses modern Bitcoin code, making it the perfect drop-in replacement.

Peercoin also has a dedicated community, is actively developed, fairly distributed, has low barriers of participation, can do everything that Bitcoin does, minus the 13 TWh of energy usage, and it's not a scam.

Peercoin

SpaceChain

Carbon Protocol

TE-FOOD

QuarkChain

MixMarvel

Moonchain

Dragonchain

Streamr (DATA) is an open source project and decentralized platform that relies on cryptography instead of trust. It is a P2P, real-time data infrastructure that houses a platform and tools for a new data economy. The technology stack includes a scalable real-time messaging network (pub/sub) hosted on computers worldwide, a marketplace for trading/selling data and a set of tools for working with real-time data.

Streamr (DATA) was crowdfunded in 2017. The main idea is to create decentralized infrastructure and data economy; the mission was formulated by the developers as “Unstoppable Data for Unstoppable Apps.” Streamr tokenizes the value of real-time information and makes it available on their marketplace and data unions. This is built for DApps, IoT devices and more, and they believe this is a crucial protocol for Web 3.0.

The tasks of Streamr DATA coin include creating a comfortable and prosperous information market, which is built on the basis of a data exchange network that is convenient and understandable for users. How it works: the decentralized pub/sub network is supported by nodes around the world, who earn DATA tokens in exchange for the bandwidth and validation they provide.

The competitive advantage lies in the fact that it is an off-chain network (for example, when compared to a similar IOTA service). Therefore, the risk that the project will face scalability and bandwidth issues is modest. The intention of the Streamr team is not to create some special blockchain, but to focus on the development of network optimization technologies. If Streamr lacks the capabilities of Ethereum, developers can always transfer the platform to another blockchain.

Streamr

Kleros (PNK) is a decentralized dispute resolution project that launched in July 2018. It is an open-source online dispute resolution protocol that uses blockchain and crowdsourcing to adjudicate disputes fairly.

Kleros offers a middleman service for decentralized applications (DApps) and their users. If the service provided by the application does not create a dispute, Kleros acts as a trustless third-party service for payment.

When a dispute does occur, however, each party can apply for arbitration through the Kleros arbitrators that are selected from the owners of PNK tokens. PNK is an Ethereum-based ERC-20 utility token with a fixed supply.

At this point, the jurors can make a decision that will favor either party. The arbitration fees are distributed to all arbitrators in the form of ETH; jurors who have issued a minority decision lose part of their PNK tokens for the benefit of the majority of jurors. This decision can be appealed, at a cost. The stated mission of Kleros is to offer easier access to justice and improve individual freedom.

Kleros charges a cost that is payable in ETH and is provided by the parties to the dispute or drawn from the funds previously locked in escrow.

Kleros

DeepBrain Chain

Haven Protocol is similar to an offshore bank where users can create private tokens that represent stable and volatile assets, including commodities and fiat currencies (such as USD). The protocol is based on Monero, which focuses on secure, private and untraceable transactions.

As a result, most of the features of Monero extend to the Haven protocol, including the bulletproofs and other privacy tech. The base currency of Haven is the XHV, which is burnt to provide users with private, untraceable, synthetic assets and commodities called xAssets.

The network uses a “mint and burn” process to provide users with untraceable digital assets with standard market pricing and real asset-pegged value storage. Simply, users can burn Haven (XHV) for Haven Dollars (xUSD), which is a synthetic stablecoin.

Haven Protocol

MediBloc (MED) is a South Korean-based decentralized blockchain protocol for the healthcare industry through which medical institutions can securely transfer, collect, store and manage data. With MediBloc, physicians can access patient information, medical history, prescribed medication, insurance issues and more. MediBloc makes medical data more accessible by allowing everyone involved to track and record medical conditions, appointments, examinations, treatments and more.

The ecosystem is built on three key elements: MediBloc Core (a layer for storing data and providing additional storage), MediBloc Application (a layer for accessing and managing data through various applications), and MediBloc Service (a layer applying smart contract technology that connects the other layers and allowing input and output of data).

The platform offers three categories of accounts: for general users (patients), healthcare providers (doctors and medical institutions) and data scientists, the latter two require proof of their accreditation. The project is aimed at improving the quality of medical services and infrastructure by optimizing information storage processes and giving users sovereignty over their own data. MediBloc is compliant with the HIPAA Security Rule, the Health Insurance Portability and Accountability Act.